Share this entry
prophylaxis Syllabification: pro·phy·lax·is
Pronunciation: /ˌprōfəˈlaksəs/

Definition of prophylaxis in English:


Action taken to prevent disease, especially by specified means or against a specified disease: the treatment and prophylaxis of angina pectoris
More example sentences
  • In those who are severely immunosuppressed the treatment and prophylaxis of opportunistic infections remains important.
  • Containment may not be possible without vaccination, prophylaxis or effective treatment.
  • Most urologic procedures do not require preoperative antibiotic prophylaxis.
preventive treatment, prevention, protection, precaution


Mid 19th century: modern Latin, from pro-2 'before' + Greek phulaxis 'act of guarding'.

Definition of prophylaxis in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources